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{Ge8[Fe(CO)4]8}7-: an anionic cubic germanium-iron-cluster featuring an unpaired electron.

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Within the reaction of a metastable Ge(I)Cl solution and Na2Fe2(CO)8 the anionic cubic cluster compound {(thf)14Na6Ge8[Fe(CO)4]8}- (3) is obtained. The open shell character of 3 is proven by EPR spectroscopy.… Click to show full abstract

Within the reaction of a metastable Ge(I)Cl solution and Na2Fe2(CO)8 the anionic cubic cluster compound {(thf)14Na6Ge8[Fe(CO)4]8}- (3) is obtained. The open shell character of 3 is proven by EPR spectroscopy. Quantum chemical calculations furthermore show that also the closed shell systems should be stable, but could not be isolated so far. Additionally, 3 can be seen as an intermediate cluster compound on the formation of metalloid clusters.

Keywords: iron cluster; germanium iron; cubic germanium; cluster; ge8 anionic; anionic cubic

Journal Title: Dalton transactions
Year Published: 2022

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